MATLAB was unable to open the pseudo-tty master device {0}.\nThe unix() and ! commands will not work in this MATLAB session. Other commands which depend upon unix() and ! will also fail. Please check with your system administrator and confirm that this device exists with the proper permissions. MATLAB was unable to open a pseudo-tty: {0} [{1,number,integer},{2,number,integer}].\nThe unix() and ! commands will not work in this MATLAB session. Other commands which depend upon unix() and ! will also fail. Your system may be running low on resources. If the problem persists after a reboot, check with your system administrator and confirm that your pty subsystem is properly configured. {0}: {1} Unexpected system error: {0} Attempt to re-open pty failed MATLAB was unable to initialize pseudo-tty: no BinArchDir.\nThe unix() and ! commands will not work in this MATLAB session. Other commands which depend upon unix() and ! will also fail. Please report this problem to support@mathworks.com. The unix() and ! commands are disabled. Unknown error Unrecognized option: {0}